5. Найдите соответствующие ответы на вопросы и напишите их в той последовательности, в которой заданы вопросы:
Вопросы
1. By what properties are metals distinguished from nonmetals?
2. What common metals are produced in great quantities?
3. What metals are called light?
4. What properties do nonmetals have?
5. What is done to protect metals from corrosion?
Ответы
a. Iron, copper and zinc.
b. They are usually poor conductors of heat and electricity.
c. They are coated by some organic coatings.
d. High conductivity for heat and electricity.
e. Aluminium, berillium and titanium.
Вопросы
1. By what properties are metals distinguished from nonmetals?
2. What common metals are produced in great quantities?
3. What metals are called light?
4. What properties do nonmetals have?
5. What is done to protect metals from corrosion?
Ответы
a. Iron, copper and zinc.
b. They are usually poor conductors of heat and electricity.
c. They are coated by some organic coatings.
d. High conductivity for heat and electricity.
e. Aluminium, berillium and titanium.
Answers & Comments
Verified answer
1. By what properties are metals distinguished from nonmetals? d. High conductivity for heat and electricity.2. What common metals are produced in great quantities? a. Iron, copper and zinc.
3. What metals are called light? e. Aluminium, berillium and titanium.
4. What properties do nonmetals have?b. They are usually poor conductors of heat and electricity.
5. What is done to protect metals from corrosion? c. They are coated by some organic coatings.